Despite not being an official sponsor, Nike beat out Adidas with more than 3.8 million shares of its two spots. In comparison, Adidas generated 2.8 million shares.

Interestingly, no automakers made the list in 2014, which Unruly credits to poor performances at this year's Super Bowl. During this year's Big Game, online video shares fell by roughly one-third, a first for the sporting event.

Check out all of this year's top brands and their social reach in the infographic below. (You can review last year's roster here.) The findings are based on videos shared across Facebook, Twitter and blogs.